420224402004 has 24 divisors (see below), whose sum is σ = 1069662114528. Its totient is φ = 127340727840.

The previous prime is 420224401967. The next prime is 420224402023. The reversal of 420224402004 is 400204422024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1591758967 + ... + 1591759230.

It is an arithmetic number, because the mean of its divisors is an integer number (44569254772).

Almost surely, 2^420224402004 is an apocalyptic number.

420224402004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420224402004 is an abundant number, since it is smaller than the sum of its proper divisors (649437712524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420224402004 is a wasteful number, since it uses less digits than its factorization.

420224402004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183518215 (or 3183518213 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 420224402004 its reverse (400204422024), we get a palindrome (820428824028).

It can be divided in two parts, 420224 and 402004, that added together give a palindrome (822228).

The spelling of 420224402004 in words is "four hundred twenty billion, two hundred twenty-four million, four hundred two thousand, four".